Horses may be given a low dose of a tranquilizer, most commonly acepromazine. This makes their behavior easier to control in certain situations, such as when they're being examined by a veterinarian.

Xylazine, also commonly known as "tranq," is often mixed with opioids like fentanyl and heroin, according to U.S. Customs and ...

The Equine Analytical Chemistry Lab is now owned Eagle Diagnostics, and will now be called the Equine Integrity & Anti-doping ...